CN205127613U - Wet type dust collection unit - Google Patents

Abstract

The utility model provides a wet type dust collection unit (1), it includes: enter the room (30) in baffle (20), air current, collection dirt drip chamber (40), and board (60) is collided in jet (50), retrieves board (70), washing impeller (80) to and shell washing water injection mouth (91). The utility model discloses a wet type dust collection unit can not only keep outstanding collection dirt performance, and its maintenance cost is cheap relatively in addition, can clear up dust mud easily and can cut down relevant cost, and the clean water that will be used for removing dust applies flexibly as once more that it can cut down with water rate and waste water treatment expense to clean water, does not set up wet collector in addition and can improve space utilization, and the built -in body in insurance validity of wet -type collection dirt portion can prevent that the noise that album dirt in -process produced from leaking.

Description

Wet dust collection device

Technical field

The utility model relates to a kind of dust collect plant, more particularly, relating to a kind of for removing high humility dust, particularly relating to a kind of appropriate wet dust collection device.

In addition, the utility model relates to a kind of mobile model wet dust collection device for Thermal Power Station, particularly, moved to the Coal dressing and the coal feedway that are used as thermal source in Thermal Power Station, to utilize wet type dust collecting part to be processed by wet type dust collection manner by coal dusts many for the water content produced in Coal dressing and coal supply process, and described wet type dust collecting part be built in can the keeping body of movement.

And, the utility model relates to a kind of coal dust dust collecting method of Thermal Power Station, particularly, the keeping body being built-in with wet type dust collecting part is moved to Coal dressing and coal and attacks device, so as the coal dust produced in Coal dressing and coal supply process to suck, separate discharge to wet type dust collecting part, and by the coal dust sludge coagulating of discharge, precipitation and be separated into upper water, again to apply flexibly as washing water, meanwhile, by upper water and the sludge dewatering be separated, make solidification.

Background technology

Usually, Thermal Power Station needs handling at boats and ships or be transported to charcoal on coal that land and handling stack field in the open to the process of former charcoal storage pool and equipment, although upper each power plant of charcoal technique difference all to some extent, but the general conveyer belt that uses also passes through coal mixing apparatus, iron plate separator, coal cinder selector and pulverizer etc., thus upper charcoal is to former charcoal storage pool.

The coal supply of Thermal Power Station is made up of coal carrier → winch → coal amount measuring equipment → test portion collecting device → iron plate separator → storage charcoal device → storage charcoal field → iron plate separator → lump coal selector → pulverizer → test portion collecting device → coal amount measuring equipment → coal distributor → former charcoal storage pool.

In coal supply process, coal mixed coal equipment, lump coal separator, pulverizer and distributing equipment etc. will produce a large amount of coal dusts in operation process.Now, the dry dust collector of bag filter is usually utilized to carry out dust removal process to the coal dust produced.

Along with lack of energy, supply and demand competition makes meager coal supply increases, thus compare the internal moisture that native moisture content increases and coal feedstock itself retains caused by supply increase of low-quality coal, in order to prevent dispersing and preventing spontaneous combustion in handling process and sprinkle water to the coal dust that Thermal Power Station produces of Thermal Power Station's periphery, there is the tendency becoming moisture and be about the high humility of more than 15% thus.

When utilizing pocket type integrator to process to the dust of such high humility, the adsorbing powder dust of high humility and be fixed on the surface of bag filter and block hole, finally causes pressure increase and causes the problem of the performance that cannot play bag filter itself.

In addition, utilize when dust being crossed water and utilize the wet collector of water Adsorption dust by dust and the collision of water and the cohesion of dust, although the problem produced when utilizing dry dust collector can be relaxed to a certain extent, but long-time use for condensing dust or pernicious gas the nozzle of sparging water purification time, there is following problem: produce the phenomenon that nozzle blocks due to dust mud while, dust collecting performance sharply declines.

Scheme for solving described problem has Korean Registered Utility Model publication 20-042606 (2006.09.06) number small-sized wet-type dust arrester proposed, Korea patent registration publication 10-1197711 (2012.10.30) number multiple wet collector proposed, the advantage of dust is removed by Efficient air though have, but be adsorbed on the dust mud attachment of washing water and be deposited in shell, need periodic cleaning thus, although described cleaning can be implemented by the access hole (manhole) be arranged in shell, but there is following problem: described operation is very numerous and diverse and difficult, and along with the waste water comprising the mud produced in wet processing operation continues to produce, thus be difficult to be applicable to Thermal Power Station, or can not move, namely allow to move and also there is identical problem.

Summary of the invention

The purpose of this utility model is to provide a kind of wet dust collection device, and it is for the high humility dust as coal dust, even if also outstanding dust collecting performance can be maintained under long-time startup, and maintenance cost relative moderate.

The purpose of this utility model is to provide a kind of wet dust collection device, its dust mud can easily cleared up and discharge attachment and be deposited in shell.

The purpose of this utility model is, the sewage given off is used as washing water again, saves thus for starting the necessary washing water of wet dust collection device, and cut down wastewater treatment expense under the state containing dust mud.

In addition, the purpose of this utility model is, wet type dust collecting part is moved to the Coal dressing and the coal feedway that are used as thermal source in Thermal Power Station by the utility model, thus the coal dust high to the moisture produced in Coal dressing and coal supply process carries out control of dust process by wet type, and in the waste water of the mud produced from the process comprised by wet processed coal dust, mud is separated with waste water, thus again can be used as washing water.

According to preferably the first embodiment of the present utility model, provide a kind of wet dust collection device.

Wet dust collection device of the present utility model, it comprises: shell, dividing plate, air flows into chamber, control of dust mud chamber, jet, impingement plate, recovery plate, washing impeller and shell washings jet.

Described shell, it will be provided with element of the present utility model, and inside is the body of hollow box shape.

Described dividing plate, it is split about the inner space of described shell.

Described air flows into chamber, it is according to the side of described separator lined at described shell, and the air containing dust is flowed into by air inlet.

Described control of dust mud chamber, it is according to the opposite side of described separator lined at described shell.Described control of dust mud chamber, it comprises: the water storing unit of downside, and washing water is stored in the water storing unit of described downside with certain altitude, and the dust being adsorbed on washing water is deposited in the water storing unit of described downside; Air chamber, it is arranged at the upside of described water storing unit, and the air utilizing washing water to clean is passed through; Feed water inlet, it is to described water storing unit supply washing water; Exhaust outlet, it is extremely outside by the air venting cleaned of described air chamber; And discharge outlet, the washing water of the dust mud containing described water storing unit is disposed to outside by it.

Described jet, it is arranged at described dividing plate, be injected into by the air of described air flows into chamber in the washing water of described control of dust mud chamber, thus the adsorbing powder dust in air is in washing water.

Described impingement plate, its position kept at a certain distance away in the front of described jet is arranged at described control of dust mud chamber, and the air ejected and washing water collide and form washing water drop, and the drop of air and washing water is guided to described air chamber.

Described recovery plate, it is arranged on the described air chamber on the top of described impingement plate, and the drop of washing water is guided to the washing water of described water storing unit.

Described washing impeller, the washing water of described water storing unit stirs and washs the dust mud be adsorbed in described shell by it.

Described shell washings jet, it also washs the dust mud be adsorbed in described shell to jet cleaning water in described shell.

Wet dust collection device of the present utility model can comprise the air-flow interference plate being arranged on described dividing plate, and described air-flow interference plate interferes the air-flow by jet, thus promotes the formation of sinuous flow.

Wet dust collection device of the present utility model, can also comprise discharge screw rod, and the dust mud being deposited in described water storing unit is pulverized and is disposed to described discharge outlet by described discharge screw rod.

Wet dust collection device of the present utility model, drainage washings jet can also be comprised, washings are injected into described discharge outlet and its downstream row waterline by described drainage washings jet, thus washing precipitation is at the dust mud of described discharge outlet with its downstream row waterline.

Wet dust collection device of the present utility model, can also comprise stillpot and exhausting line.Described stillpot is arranged at described discharge outlet downstream, and is settled out dust mud from the washing water of being discharged by described discharge outlet.The washing water being separated in described stillpot upper strata is supplied to described water inlet by described exhausting line again.

Described dividing plate can comprise upper plate and lower plate, and described jet can comprise spray tank and collection space.Described spray tank is arranged on the gap between the lower end of described upper plate and the upper end of described lower plate, and the air of described air flows into chamber is injected into described water storing unit.Described upper plate and described lower plate benging arrange in more narrower towards described spray tank direction mode by described collection space, and to described spray tank collecting air.

Described impingement plate, it can be arranged so that L-shaped is bending immediately below described jet.Described in the upper side direction of impingement plate described in L-shaped, air chamber extends in long way, and the downside of impingement plate described in L-shaped is extended towards the below of described jet under being immersed in the state in washing water.

In addition, according to preferably the second embodiment of the present utility model, provide a kind of mobile model wet dust collection device for Thermal Power Station, it comprises: container, and it has the keeping body with gateway while providing inner space portion; With wet type dust collecting part, it is stably arranged on the inside of described keeping body; And water collecting part, it is connected to the mud discharging mouth of described wet type dust collecting part with pipe; With upper water supply unit, it is for connecting described water collecting part and wet type dust collecting part; And Separation of Solid and Liquid portion, it is connected to described water collecting part by transferred unit.

In addition, the feature of described keeping body is, arranges the first movable pulley in the bottom of bracing frame, arranges the first height and regulate ball around described first movable pulley, and regulate with regard to ball with regard to described first height, adjustable plate is combined in the bottom regulating main body by screw shaft.

In addition, the feature of described gateway is, in order to maintain management before keeping body by pushing, sliding door, among Qianmen one forms.

In addition, described wet type dust collecting part, is characterized in that, comprising: control of dust shell; With dust inflow entrance, it is arranged on a upper lateral part of described control of dust shell; Dust guides dividing wall, its be communicated with described dust inflow entrance and with inner sustain one determining deviation of control of dust shell while downward vertically, and provide upper and lower to be the dust guide space portion of the form blocked; And water unit, it is arranged to guide the mode of the through control of dust shell of lower outside of dividing wall towards described dust; And mixing nozzle, with dust and washing water, it is blended in that dust guides dividing wall and mode to the central injection of control of dust shell is set to through form, and described dust guides dividing wall to be positioned at the bottom in the dust guide space portion being formed with described water unit; Form dividing wall with the first eddy current, its bottom maintains a determining deviation in the waste side of described mixing nozzle, and upper end is arranged to guide the mode of the upper angled of dividing wall towards dust; Second eddy current forms dividing wall, and itself and described first eddy current form dividing wall and maintain a determining deviation, and a side end is combined in dust and guides dividing wall, and another side is arranged with form bending downward; And air discharge ports, its upside forming dividing wall towards described second eddy current is arranged on control of dust shell; With mud discharging portion, it is set to funnel shape, to have mud discharging valve towards the direction, bottom of described control of dust shell; And discharge outlet, it is arranged on control of dust shell in the mode corresponding with described water unit.

In addition, be characterised in that, arrange nozzle at described dust inflow entrance towards the upper inside of the pipe (duct) be connected with dust inflow entrance, the outer lower portion towards described pipe arranges dust draining (drain) portion.

In addition, be characterised in that, described mixing nozzle is set to the form with Venturi tube.

In addition, be characterised in that, described mixing nozzle and the first eddy current form dividing wall and repeatedly arrange in the inner transverse of control of dust shell, and the height of another mixing nozzle adjacent with described mixing nozzle is for uprise gradually.

In addition, the feature of described air discharge ports is, it comprises: reclaim plate, and it inwards and downward-sloping; And filter house, it is arranged between described recovery plate and the upper inner face of control of dust shell; And delivery pipe, it is arranged on the edge upper part of described control of dust shell; And discharge fan, it is arranged on the inside of described delivery pipe.

In addition, the feature of described Drainage Division is, comprising: main drainpipe; With secondary drainpipe, its bottom at described main drainpipe and diameter is little and extend downwards; With draining shell, it is set to the outside surrounding described secondary drainpipe; And flange, it is set on the top of described draining shell through towards outside.

In addition, the feature of described water collecting part is, comprising: header tank; With the second movable pulley, it is arranged on the bottom of described header tank; Regulate ball with the second height, it is arranged in the mode near described second movable pulley.

In addition, the feature in described Separation of Solid and Liquid portion is, comprising: bracing frame; With the 3rd movable pulley, it is arranged on the bottom of support frame as described above; Adjustment ball low with third high, it is arranged in the mode near described 3rd movable pulley; With solid-liquid press section, it is arranged on the top of support frame as described above.

In addition, according to preferably the 3rd embodiment of the present utility model, the utility model provides a kind of coal dust dust collecting method of Thermal Power Station, it comprises: wet type mobile device is moved to the step S100 that place carrying out that coal dust produces is arranged, described wet type mobile device by being built-in with the container of wet type dust collecting part, mobile model water collecting part, Separation of Solid and Liquid portion form; With start described wet type dust collecting part and coal dust be sucked into inner step S200; With coal dust trapping step S300, spray with the state washing water supplied by water unit being blended in the coal dust being sucked into described wet type dust collecting part inside, and trap coal dust in the process of movement; With coal dust mud discharging step S400, the mud of coal dust containing the bottom being focused to described control of dust shell is supplied to mobile model water collecting part by the mud discharging valve in mud discharging portion and is discharged; With coal dust sludge coagulating and settling step S500, the mud being supplied to described mobile model water collecting part precipitates due to cohesion, and then is separated into cohesion mud and upper water; With upper water supplying step S600, the upper water of described mobile model water collecting part resupplies to water unit by the water pump of upper water supply unit; And cohesion sludge dewatering step S700, after the cohesion mud be deposited in bottom described mobile model water collecting part moves to Separation of Solid and Liquid portion by transferred unit, undertaken squeezing by solid-liquid press section and obtain the solid sludges dewatered.

In addition, the speciality of described coal dust trapping step S300 is, comprising: coal dust guides step S310, and coal dust is guided to by dust inflow entrance and is provided in the dust guide space portion that dust guides dividing wall inside; With washing water supplying step S320, the washing water as upper water is supplied to water unit by the water pump according to upper water supply unit; With injecting step S330, after the coal dust of described dust guide space subordinate portion's movement mixes with washing water, be injected into by mixing nozzle the bottom that the first eddy current forms dividing wall; With direction switch process S340, the mixing water of described injection forms dividing wall to after top is moved along the first eddy current, obtains conversion direction while the second eddy current forms the guiding of dividing wall; And mud collects step S350, in the process through described injecting step S330 and direction switch process S340, the coal dust trapped according to centrifugal force drop to bottom and is focused to mud discharging portion.

In addition, be characterised in that, also comprise air venting step S360, it is beyond the coal dust that traps in described coal dust trapping step S300, air according to by the attraction of discharge fan driving force and ejection power after filter house, by discharged to outside.

Further, be characterised in that, in described coal dust trapping step S300, the washing water being mixed with mud that overflows of the top, mud discharging portion to control of dust shell is through main drainpipe and secondary drainpipe and draining shell and be disposed in the process of flange and be deposited in draining shell.

According to the wet dust collection device of the utility model first embodiment, even if start for a long time the air containing high humility dust the same with the coal dust that Thermal Power Station produces, outstanding dust collecting performance can not only be maintained, and its standing charges relative moderate.

In addition, according to wet dust collection device of the present utility model, can wash and discharge in its operating process the dust mud adhering to and be deposited on shell inside and exhaust stack etc. relatively easily, therefore can easily clear up dust mud and can correlative charges be cut down.

Further, according to wet dust collection device of the present utility model, the washing water being used for dedusting is applied flexibly as washing water again, can cut down thus by water rate and wastewater treatment expense.

In addition, according to the mobile model wet dust collection device for Thermal Power Station and the method for second and third embodiment of the utility model, the wet type dust collecting part of the inside being arranged at container keeping body is moved to the Coal dressing and the coal feedway that are used as thermal source in Thermal Power Station, obtain following effect thus: the coal dust high to the moisture produced in Coal dressing and coal supply process, even if do not arrange fixed wet dust collection device in addition, also easily control of dust process can be carried out.

In addition, do not need to arrange wet collector in addition at many Coal dressing devices and coal feedway by it, the effect improving space availability ratio can be had thus.

In addition, by it, wet type dust collecting part is built in keeping body, prevents the noise produced in control of dust process from leaking to outside thus, thus has comfortable operating environment.

In addition, be there is following effect by it: the maintenance being easy to realize wet type dust collecting part.

And, mobile model water collecting part and solid-liquid separator move simultaneously, difference separated sludge and waste water from waste water, and enable the waste water of separation again be used as washing water, simultaneously, can obtain the effect of lignin-sludge at the scene, described waste water comprises and carries out to coal dust the mud that produces in the process of wet processed.

Accompanying drawing explanation

Fig. 1 is the sectional view of the exemplary wet dust collection device represented according to the first embodiment of the present utility model.

Fig. 2 represents to block stereogram according to the part of the exemplary wet dust collection device of the first embodiment of the present utility model.

Fig. 3 is the stereoscopic figure of the exemplary wet dust collection device represented according to the first embodiment of the present utility model.

Fig. 4 represents to block detail perspective view according to the part of the exemplary wet dust collection device of the first embodiment of the present utility model.

Fig. 5 is the stereogram representing the exemplary air flow interference plate being applicable to the first embodiment of the present utility model.

Fig. 6 is the skeleton diagram of another the exemplary wet dust collection device represented according to the first embodiment of the present utility model.

Fig. 7 represents the exemplary plot formed according to the entirety of the mobile model wet dust collection device for Thermal Power Station of the second embodiment of the present utility model.

Fig. 8 be according to the second embodiment of the present utility model for the mobile model wet dust collection device of Thermal Power Station in only amplify the exemplary plot of wet type dust collecting part be shown.

Fig. 9 a to Fig. 9 c be according to the second embodiment of the present utility model for Thermal Power Station mobile model wet dust collection device shown in the front view of container of built-in wet type dust collecting part and side view.

Figure 10 be according to the second embodiment of the present utility model for the mobile model wet dust collection device of Thermal Power Station in only amplify the exemplary plot of another wet type dust collecting part be shown.

Detailed description of the invention

Below, with reference to accompanying drawing, describe in detail according to wet dust collection device of the present utility model.Following concrete example, is only exemplary illustration of the present utility model, and unrestricted scope of the present utility model.

First, referring to figs. 1 through Fig. 6, carry out following detailed description to according to the wet dust collection device 1 of preferably the first embodiment of the present utility model.

As shown in Figures 1 to 6, wet dust collection device 1 of the present invention comprises: shell 10, dividing plate 20, air flows into chamber 30, control of dust mud chamber 40, jet 50, impingement plate 60, recovery plate 70, washing impeller 80 and shell washings jet 91, optionally can also comprise: discharge screw rod 92, drainage washings jet 95 and stillpot 96 and exhausting line 97.

Described shell 10 is provided with the body for being sky boxed-section shape.

Shell 10 is if can be set to element of the present utility model the shape meeting the purpose of this utility model, then be not specially limited, rectangular-shape barrel shape as shown in Fig. 1 to Fig. 3, the while of can being set to process capacious, shared volume also can with minimized shape, and can be made as resistance in pressure and heavy burden and the strong material of corrosion resistance.

Preferably, leg 11 being attached to shell 10 can from keeping at a certain distance away on the ground.In addition, can arrange inspection socket 12 and inspection hatch 13 at shell 10, described inspection socket 12 is for the rectification such as cleaning of inside, and described inspection hatch 13 can use visual confirmation internal state.In addition, pressure sensor 14 is arranged on shell, the pressure of air chamber 42 described later can be controlled.

Described dividing plate 20 is as the parts of the tabular inner space of shell 10 being probably divided into left and right, and according to dividing plate 20, the inner space of shell 10 is divided into the relatively narrow air flows into chamber 30 of side (being approximately right side central authorities in accompanying drawing) and the relative wide control of dust mud chamber 40 of the opposite side of remainder.According to dividing plate 20, air flows into chamber 30 and control of dust mud chamber 40 split and divide is only that basis cleans the flowing of water and air, not means the space be physically separated completely.

Concrete example shown in Fig. 1 and Fig. 2 is, dividing plate 20 is arranged in the mode being divided into upper plate 21 and lower plate 22, jet described later 50 is as shown in the figure set between the lower end of upper plate 21 and the upper end of lower plate 22, when this be will be explained below to jet 50, supplements its explanation.

Described air flows into chamber 30 is for being divided in the space of shell 10 side according to dividing plate 20, the air (air containing dust) containing dust flows into described air flows into chamber 30.Air inlet 31 is set at the shell 10 of the part arranging air flows into chamber 30, the transfer line (omitting diagram) of the air containing dust as managed is connected to air inlet 31, thus the air containing dust is supplied to air flows into chamber 30.

Air inlet 31 can with and jet 50 interval mode to a certain degree below it be arranged on the upside of air flows into chamber 30, air inlet 31 is mutually non-interference with jet 50 thus, and the air temporal persistence containing dust flowing into air inlet 31, after air flows into chamber 30, is injected into control of dust mud chamber 40 by jet 50.

Described control of dust mud chamber 40, for being divided in its complementary space of the opposite side of shell 10 according to dividing plate 20, it comprises: water storing unit 41, air chamber 42, feed water inlet 43, exhaust outlet 44 and discharge outlet 45.

Described water storing unit 41, as the space being positioned at downside in control of dust mud chamber 40, for until have the space till the position of washing water (example, water), described washing water is used for from the air adsorption dust containing dust and cohesion and discharging.Described air chamber 42, as space, upside in control of dust mud chamber 40, is remaining space except the water storing unit 41 except storing washing water.Therefore, the division of water storing unit 41 and air chamber 42, compares tight separation physically, can be described as the water level according to washing water and have changeability.

Water storing unit 41 is provided with feed water inlet 43, and described feed water inlet 43 will the supply of washing water of filling for obtaining.Specific restriction if can supply the position of washing water to water storing unit 41, is not then done in the position of feed water inlet 43.Such as, the position higher than water storing unit 41 can be arranged on.Therefore, the feed pipe from water source is connected to feed water inlet 43, then the washing water of necessity can be supplied to control of dust mud chamber 40.

Although not shown, known ' the water injection rate adjusting device ' for washing water water injection rate being maintained necessary amount can be set in device of the present utility model.Such as, level sensor or ball float etc. are set in control of dust mud chamber 40 and control valve is set in upstream, feed water inlet 43, the washing water of necessary degree can be made thus to be automatically supplied to control of dust mud chamber 40.

Described exhaust outlet 44 is for by removing the air venting of dust to outside passage with the contact of washings, and described discharge outlet 45 be the passage washing water of the pollution of the water storing unit 41 containing dust mud being disposed to outside.

Storage washing water and dust sludge settling and the water storing unit of control of dust mud chamber 40 assembled, be set to top wide and more and more narrow funnel (taper shape) shape downwards, dust mud is collected into discharge outlet 45 and can be given off swimmingly by discharge outlet 45 thus.

Described jet 50 is that air and washing water collide and stir, and the adsorbing powder dust thus in air is at the injection channel of washing water by the air high-pressure injection containing dust of air flows into chamber 30 in the washing water of water storing unit 41.

Near the water level of washing water being stored in water storing unit 41, preferably, jet 50 is set the dividing plate 20 of the position lower than washing water water level is through.

Jet 50 if the structure among the washing water that the air of air flows into chamber 30 can be injected into control of dust mud chamber 40, then not specific restriction.The concrete example illustrated, is set to upper plate 21 and lower plate 22 by dividing plate 20 segmentation, arranges jet 50 between the lower end of upper plate 21 and the upper end of lower plate 22.

In the concrete example illustrated, jet 50 comprises spray tank 51 and collection space 52.Spray tank 51 is formed in the narrow and long gap between the lower end of upper plate 21 and the upper end of lower plate 22, and by spray tank 51, the air high-pressure injection of air flows into chamber 30 is to water storing unit 41.The space of collection space 52 for being bent in more narrower towards the direction of spray tank 51 mode by upper plate 21 and lower plate 22 and formed, and air concentrates (collection) to spray tank 51.

According to the flute profile jet 50 of example, the air be then under pressure compresses while being concentrated to collection space 52 more, and the air of compression is ejected at high pressure by narrow spray tank 51, and air and washing water collide consumingly and stir thus, thus can mutually contact fully.

In addition, the flute profile jet 50 of example, due to the narrow spray tank 51 high-pressure injection air between upper plate 21 and lower plate 22, the dust mud therefore more reduced owing to being adsorbed by washing water and condense blocks the worry of spray tank 51, even if block the advantage also having and can repair at once.

Although not shown, but the position of upper plate 21 and/or lower plate 22 is arranged in mode variable up and down, thus can will think air characteristics to be processed and regulate spray tank 51 according to dust collect plant operating condition of the present utility model size (size in gap) with conforming to.Certainly, the size adjustment of spray tank 51 also can by adhering to other adjustable plate and changing its position to carry out.

Although not shown, but dividing plate 20 is set to single plate, and also jet 50 can be set in the mode of ' spray-hole ' corresponding with spray tank 51 being holed at this, now, single dividing plate 20 is bent towards water storing unit 41 direction and also can form the space corresponding with collection space 52.

The pressure that air is sprayed to water storing unit 41 by jet 50 is for according to being arranged on the pressure fan 46 of exhaust outlet 44 downstream and/or air inlet 31 upstream and the pressure that provides, the concrete example illustrated is for arrange pressure fan 46 in exhaust outlet 44 downstream, negative pressure produces at air chamber 42 thus, and while according to its negative pressure, the air of air flows into chamber 30 is injected among washing water by jet 50, the adsorbing powder dust in air is at washing water.

Described impingement plate 60, for the position kept at a certain distance away in jet 50 front is arranged at the parts of the tabular of control of dust mud chamber 40.By jet 50 high-pressure injection air, then air and the washing water around it collide at impingement plate 60.After air is injected in washing water, along with air and washing water collide at impingement plate 60, air and washing water stir (mixing) more intensely, while the washing water of water storing unit 41 forms eddy current, part washing water spatters to air chamber 42 and forms drop, and while the drop of air chamber 42 contacts again with its ambient air, more adsorb a series of processes generations of residual dust, the dust that contain in air thus can more efficiently adsorb, be suspended, condense and be deposited in washing water.

Impingement plate 60 is if can cause the shape of generation of above-mentioned collision, eddy current and drop, then not specific restriction.The situation of the concrete example illustrated, impingement plate 60 is the shape bending to L-shaped immediately below jet 50 in the mode launched towards jet 50 direction, the upside 61 of impingement plate is for while extending in long way to air chamber 42, towards the shape that the direction of upper plate 21 tilts a little, and the downside 62 of impingement plate is after showing right-angle bending greatly relative to upside 61, under being deposited in the state in washing water, the shape that the below towards spray tank 51 is extended.

According to wet dust collection device 1 of the present utility model, for the adsorbing powder dust comprised in air is carried out the device of dedusting by washing water, collision between air and washing water and stir fiercer efficiency of dust collection higher, due to above-mentioned reason, collision is compared at the air of washing water and is flowed regularly, preferably forms sinuous flow, for above-mentioned purpose, as shown in Figure 1, Figure 2, shown in Fig. 4 and Fig. 5, wet dust collection device 1 of the present utility model can also comprise air-flow interference plate 53.

Air-flow interference plate 53 is arranged on dividing plate 20 and interferes the flowing (air-flow) by the air of jet 50, facilitation is played to the formation of sinuous flow, as long as and can interfere and to be flowed by the air of jet 50 and to promote that sinuous flow is formed, then to its shape and attachment position, not specific restriction.

Air-flow interference plate 53 shown in Fig. 5, to protrude towards vertical direction for the interference bump 54 being set to zigzag, circle and trapezoidal comb teeth shape and is provided with the example of assembled plate 55 from interference bump 54 at a certain angle.As shown in Fig. 1 and Fig. 4, by bolt hole 55a or welding manner, assembled plate 55 is attached to the sloping portion of the lower plate 22 of the entrance being adjacent to spray tank 51, then interference bump 54 is positioned at the position of the entrance crossing spray tank 51 about 1/2, interferes the air-flow by the air of jet 50 and promotes the formation of sinuous flow.

The situation of the concrete example shown in Fig. 5, although be all suitable for zigzag, circle and trapezoidal interference bump 54 at an air-flow interference plate 53, only can certainly be suitable for a kind of interference bump 54 of shape or the interference bump 54 of other shapes.

Remove dust and clean air to guide upward along the impingement plate 60 in air chamber 42, after this, externally discharged by exhaust outlet 44.

Described recovery plate 70 is arranged on the air chamber 42 of the upper direction of impingement plate 60.Reclaiming plate 70 is the plate-shaped member guided as follows: the drop flowing into air chamber 42 is down to by the degree that exhaust outlet 44 externally discharges and minimizes, and these drops are fallen to the washing water of water storing unit 41 naturally by own wt.Concrete example shown in Fig. 1 is the example be made up of bottom recovery plate 71 and top recovery plate 72 by recovery plate 70.

Plate 71 is reclaimed as from dividing plate 20 downward obliquely after transverse extension to air chamber 42 in bottom, airway 47 is maintained shape bending towards vertical direction under the state between impingement plate 60, surrounds the top of impingement plate 60.In Fig. 1, bottom is reclaimed plate 71 towards having a down dip, the dividing plate 20,21 of part being connected to bottom and reclaiming plate 71 is obliquely installed a little down, its for make to fall to above it and attachment and condensing drop spontaneous combustion flow to water storing unit 41.

The effect of plate 71 is reclaimed according to bottom as above, towards the drop that open upside splashes among the drop of the washing water produced while impingement plate 60, mutual aggegation becomes large and while jointly falling towards water storing unit 41 with the dust of absorption, only has to remove dust and clean air is given off to exhaust outlet 44 by airway 47.

In illustrated concrete example, top reclaim plate 72 contiguous immediately below exhaust outlet 44 and from shell 10 down obliquely transverse extension to air chamber 42.Reclaim for failing to reclaim plate 71 according to bottom and spatter the drop to air chamber 42 top, attachment and the condensing plate 72 that reclaims on top also drop down onto water storing unit 41 naturally, make drop discharge minimize to the degree of exhaust outlet 44 thus.

Due to the free-falling of drop and the effect of recovery plate 70, major part drop is recycled to water storing unit 41, although it is little that drop is disposed to outside worry by exhaust outlet 44, in the air chamber being connected on exhaust outlet 44,42 can install the arrester (73:eliminator) for removing drop being widely used in aircondition.The concrete example illustrated, for reclaiming the example of the space mounting arrester 73 between plate 72 in exhaust outlet 44 upstream and top, can prevent from failing free-falling or to reclaim according to recovery plate 70 and the drop of remaining trace or residual aerial residual dust are given off by exhaust outlet 44 thus more definitely.

According to wet dust collection device 1 of the present utility model, the washing water polluted for dust mud is given off by discharge outlet 45 and supplies new washing water by feed water inlet 43, dust mud discharging thus in shell is to outside, the dust mud of shell 10 inside possibly cannot be removed completely iff the washing water described in replacing, and along with the accumulation of start-up time, the shell inwall contacted with clean water and air and be arranged in dividing plate 20, the impingement plate 60 of its inside and reclaim plate 70 etc. and adhere to and deposit dust mud, and set is scale (scale) shape.

With regard to the set of dust mud as above, can postpone to a certain degree by the mode often changing the washing water polluted, also can be removed by the prune job of inspection socket 12, but the former frequently changes washing water not only becomes the reason increasing contaminant water generation, and the dust mud that there is firm set cannot give off and residual problem, it is numerous and diverse and cause the problem that labour cost rises to there is its operation in the prune job of the latter.

In order to alleviate the problems referred to above, comprise washing impeller 80 according to wet dust collection device 1 of the present utility model.In order to change washing water, before the washing water of pollution is disposed to discharge outlet 45, main startup washs impeller 80, and utilize impeller to stir to the washing water being stored in water storing unit 41, utilize washing water wash attachment or the dust mud that is deposited in shell 10 and be together disposed to discharge outlet 45 with the state being suspended in washing water and washing water thus.

Washing impeller 80, can comprise: impeller 81, it is the state of the washing water being immersed in water storing unit 41; Power transmission shaft 82, it makes impeller 81 rotate; And CD-ROM drive motor 83, power transmission shaft 82 rotates in fact.The situation of the concrete example illustrated, although show the upper end that CD-ROM drive motor 83 is arranged on shell 10, power transmission shaft 82 cross shell center and after being stretched to water storing unit 41, the example of impeller 81 is set in the lower end of power transmission shaft 82, impeller 81 stirs washing water, the dust mud being deposited on water storing unit 41 is thus to be suspended state and washing water is together given off by discharge outlet 45, and washing water is dispersed to air chamber 42, thus wash away the dust mud of the inwall and impingement plate 60 etc. being attached to shell, can wander thus to water storing unit 41, as long as structure as mentioned above, then not specificly limit its structure and setting position.

Described washing impeller 80 is for being mainly used in washing away the dust mud being present in water storing unit 41 and position adjacent thereto, only wash with washing impeller 80 that be attached to may be not enough to some extent away from the effect of shell 10 inwall at interval or the dust mud that reclaims plate 70 etc. from water storing unit 41, in order to improve it, wet dust collection device 1 of the present utility model is provided with shell washings jet 91.

Washings (water) are injected into shell inside by shell washings jet 91, as long as the dust mud that can wash attachment thus or be deposited in shell, and not specific restriction.As shown in Fig. 1 etc., arranging can by washings high-pressure injection to the multiple washings squit hole in shell-side face (if desired to above) being positioned at the appropriate position of air chamber 42, at this, connect the supply line (omitting diagram) of high pressure, the washings that can be set to thus utilize high pressure to spray carry out cleanser dustiness mud.Shell washings jet 91 can start when changing washing water and to the appropriate opportunity that the deposition generation of dust mud is worried.

The concrete example illustrated is, shell washings jet 91 is arranged two in shell four sides of rectangular-shape barrel and arranges two above respectively, thus 10 shell washings jets 91 are set altogether, but not specificly limit its setting position, preferably, arrange in the mode concentrating the position of attachment to spray washings towards dust mud.

In addition, although not shown in figures, the shell inner space that not impregnated in washing water is divided into multiple space and (is preferably top by shell washings jet 91, central portion and bottom), and there are in the space divided multiple washings squit hole bundles of high-pressure injection washings, in the lump washings are supplied to the mode of squit hole bundle by supply line, can wash without dead angle shell inner space, to be controlled being arranged on the valve of supply line being connected to each bundle by the mode of automation technolo and with regard to the integrated artistic that just operates as required, space necessary between technique can be made to be washed.

In order to strengthen the washing to the dust mud be deposited in shell, wet dust collection device 1 of the present utility model can also comprise discharge screw rod 92.Discharge screw rod 92 also mainly can start before washing water is disposed to discharge outlet 45 by the washing water in order to change pollution, play following effect: will firmly be deposited on water storing unit 41 dust mud pulverize and forced discharge to discharge outlet 45.

The discharge screw rod 92 of the concrete example illustrated comprises: screw rod 93, and the center of its through discharge outlet 45 is also located vertically in water storing unit 41; CD-ROM drive motor 94, it makes screw rod 93 rotate; Starting CD-ROM drive motor 94 makes screw rod 93 rotate, then pulverize according to spiral sector and be deposited on the dust mud of water storing unit 41, and and washing water together forced discharge to discharge outlet 45.

Just start according to regard to wet dust collection device 1 of the present utility model, when discharging by discharge outlet 45 washing water polluted due to dust mud, dust sludgd deposition is to discharge outlet 45 and the discharge line 45a being connected to this, and drainage (discharge outlet and discharge line) is blocked and maybe can not be realized draining swimmingly thus.

Wet dust collection device of the present utility model can also comprise drainage washings jet 95, washings are injected into and form the discharge outlet 45 of drainage and the discharge line 45a in its downstream by drainage washings jet 95, thus washing and discharge are deposited on the dust mud of drainage, solve the drainage blocked thus and washing water is discharged swimmingly.Drainage washings jet 95 if the dust mud being deposited on drainage can be cleaned and the structure given off and position, then not specific restriction.

The concrete example illustrated, can by washings high-pressure injection to be connected to discharge outlet 45 discharge line 45a multiple (example, 3) position arranges washings squit hole, and connecting the supply line (omitting diagram) of high pressure, the dust mud being deposited on drainage can be cleaned and give off by the washings utilizing high pressure to spray thus.

According to wet dust collection device 1 of the present utility model, removing in the process of dust from air, certainly can use water in the process of the dust mud of washing deposition, it supervenes the waste water polluted due to dust mud.

According to wet dust collection device of the present utility model in order to cut down the expense produced with using water and wastewater treatment, the device for recycling washing water can also being comprised, for this reason, as shown in Figure 6, stillpot 96 and exhausting line 97 can be comprised.

Stillpot 96 is as the tank storing the waste water given off by discharge outlet 45, such as can be set to water-proof concrete groove, dust mud is deposited in the bottom of stillpot 96 due to natural subsidence, above the deposit of dust mud, can the water that use forms layering as the washing water almost removing dust mud.In order to promote the sedimentation of dust mud, coagulant can be added at stillpot 96.

The washing water being separated in the upper strata of stillpot 96 is again supplied to feed water inlet 43 by exhausting line 97 and goes forward side by side to exercise and use.For this reason, the conversion valve 98 of the opening and closing can changing former waterline 43a and exhausting line 97 is set in the upstream of feed water inlet 43, former water or recycled water can be selected to supply as washing water.On exhausting line 97, hopper 99 is increased in the downstream of stillpot 96, and temporarily can stores the washing water for recycling.

The amount of the dust mud adsorbing or be deposited on washing water is larger, the water level of water storing unit 41 uprises gradually, although do not illustrate at wet dust collection device 1 of the present utility model, the washing water water level of water storing unit 41 exceeds the water level of expectation, then can increase the alarm set of informing and changing washing water.

In addition, do not illustrate at the Fig. 7 to Figure 10 for another embodiment of the present utility model (the second embodiment) Fig. 1 to Fig. 6 illustrate, also can in the side of water storing unit 41 for the present embodiment, the Drainage Division 280 can discharging washing water except discharge outlet 45 is arranged on shell.

Drainage Division 280 can comprise main drainpipe 281, secondary drainpipe 282, draining shell 283 and flange 284, specifically, secondary drainpipe 282 is arranged on the bottom of main drainpipe 281, described secondary drainpipe 282 be diameter little and towards bottom extend shape, and the outer setting of the described secondary drainpipe 282 extended is the encirclement obtaining draining shell 283, the top that flange 284 is arranged on described draining shell 283 is also through laterally, thus is precipitated by the micro mist be included in the washing water of spilling and only give off pure water (with reference to Fig. 8).Reclaim cleaner detergent remover thus in advance and can recycle.

Wet dust collection device 1 of the present utility model, control circuit for the overall startup of device and control panel can be set, in addition, device of the present utility model be used on fire/explosive atmosphere time, also explosion-proof technology can be applicable to its electric device, even if about its technology does not have direct correlation with the utility model, but also the technology of correlative technology field can be suitable for meeting the utility model, the description thereof will be omitted.

Below, wet dust collection device of the present utility model is applicable to Thermal Power Station coal feed path on the high humility coal dust that the produces example that carries out the process of control of dust be briefly described.

Containing be separated at coal raw coal, lump coal, pulverize and the Thermal Power Station such as distribution coal feed path on produces and passes through the air of the high humility coal dust that the transfer lines such as pipe supply, to flow into air flows into chamber 30 according to aforesaid applied pressure such as pressure fan 46 grade etc. by the air inlet 31 being arranged on shell 10.

Flow into the air containing dust of air flows into chamber 30, downside is flow to according to air flows into chamber 30, during wet dust collection device 1 of the present utility model does not start, after pushing to control of dust mud chamber 40 by jet 50 adverse current to the washing water of air flows into chamber 30 by jet 50, carry out high-pressure injection by jet 50 form sinuous flow in the washing water of control of dust mud chamber 40 while.

That sprays stirs (mixing) with the washing water of water storing unit 41 containing the air of dust, air and washing water collide in impingement plate 60 while forming eddy current, major part dust adsorbs according to washing water and condense, is dispersed in washing water or the below sedimentation towards water storing unit 41, and the air of removal dust rises to air chamber 42.In described process, the drop of part washing water spatters to air chamber 42.

The drop together spattered to air chamber 42 with air adheres to while guiding to water storing unit 41 according to reclaiming plate 70 and condenses upon the surface of reclaiming plate, flows to below thus and drop down onto the washing water of water storing unit 41 according to gravity.

Fail to reclaim according to reclaiming plate 70 and likely residual partial drop by being removed while arrester 73, in fact, the peace and quiet air not containing dust and drop is disposed to outside by exhaust outlet 44.

The dust deposit of cohesion and precipitation to water storing unit 41 washing water and become dust mud, due to dust, the pollution level of washing water reaches certain level, then open discharge outlet 45 dust mud is disposed to together with washing water the outside of shell.

Due to the attachment of dust mud and be deposited on shell 10 and worry reduce according to the performance of wet dust collection device of the present utility model time, before the operation of replacing washing water or after carrying out replacing operation, or in the case of necessary, to select or combination more than one washing impeller 80, shell washings jet 91, discharge screw rod 92 and drainage washings jet 95 start, to adhere to thus and the dust mud that deposits and washing water are together given off by drainage and prevent due to the deposition of dust mud that performance reduces.

The control of dust operation gathering in as the coal process of fuel the high humility dust as coal dust produced in Thermal Power Station is particularly suitable for according to wet dust collection device 1 of the present utility model, but not limited thereto.Such as, according to wet dust collection device of the present utility model, not only go for the operation general dust of drying and dust on fire/explosive being carried out to control of dust, the operation of removing harmful substance or stench from various pernicious gas or foul smell can also be applicable to, therefore wet dust collection device 1 of the present utility model not only goes for the various coals collection facilities comprising Thermal Power Station, and expects effectively to be applicable to the operation of removing dust in the facility widely such as cement factory, steel plant, bakery and confectionery, large supermarket.

Next, following detailed description is carried out with reference to Fig. 7 to Figure 10 to according to the mobile model wet dust collection device for Thermal Power Station of preferably the second embodiment of the present utility model.

As shown in Fig. 7 and Fig. 9 a ~ Fig. 9 c, according to the mobile model wet dust collection device for Thermal Power Station of the present utility model, while mobile model wet dust collection device can being utilized to carry out control of dust process at the scene to the coal dust produced in Coal dressing and coal supply process, carry out distinguishing in the mud produced the process of wet processed separated sludge and waste water to coal dust from according to the mobile model water collecting part of movement together and solid-liquid separator, again washing water can be used as by it, meanwhile, also again mud can be used as.

The described mobile model wet dust collection device for Thermal Power Station comprises container 100, wet type dust collecting part 200, water collecting part 300, upper water supply unit 400 and Separation of Solid and Liquid portion 600, described container 100 has the keeping body 120 with gateway 121, to be easy to while providing inner space portion 110 maintain and guarantee.

Described keeping body 120 be that inside and outside portion blocks, and in can preventing from starting, noise externally spreads or pollutes due to foreign etc., meanwhile, realizes moving for being easy to.

For this reason, described keeping body 120 arranges the first movable pulley 140 in the bottom of bracing frame 130, arranges the first height and regulates ball 150, can stably support after moving to scene under the state of maintenance level around described first movable pulley 140.

Regulate with regard to ball 150 with regard to described first height, by screw shaft 153, adjustable plate 152 is combined in the bottom regulating main body 151, thus adjustable plate 152 is rotated, height can be regulated thus.

As shown in Fig. 7 and Fig. 9 a, described gateway 121, for maintaining management, arranges the D1 that pushes with general door form before keeping body 120.

Although the gateway 121 being arranged on the keeping body 120 for maintaining management in the utility model has the form of the D1 that pushes, as shown in figure 9b, except described form, the form of sliding door D2 to be opened/closed to the left and right before keeping body 120 can be had.When described, sliding door D2 can the wider area of opening and closing than the form of the general D1 that pushes, thus more easily realizes safeguarding.

Although the gateway 121 being arranged on the keeping body 120 for safeguarding in the utility model has the form of the D1 that pushes, as is shown in fig. 9 c, except described form, can have and above utilize hinge-type to fix front upper side and from the form of lower to upper part tilting to carry out the Qianmen D3 of opening and closing at keeping body 120.When described, can the wider area of opening and closing and eaves function can be had while more easily realizing safeguarding and lined than the form of the general D1 that pushes.

Described wet type dust collecting part 200, as being stably arranged at keeping body 120 inside and the coal dust supplied by supply pipe or pipe 700 from outside being carried out wet separation, it comprises: control of dust shell 210, dust inflow entrance 211, dust guide dividing wall 213, water unit 220, mixing nozzle 230, first eddy current to form dividing wall 240, second eddy current and form dividing wall 250, air discharge ports 260, mud discharging portion 270 and Drainage Division 280.

At this, described control of dust shell 210 for inside and outside be blocked while inside formed regulation spatial portion, dust inflow entrance 211 is arranged on a upper lateral part of control of dust shell 210.

In described dust inflow entrance 211 nozzle 710 towards the upper inside of the pipe 700 be connected with dust inflow entrance 211 arrange and injection water time, the dust remaining in pipe 700 inwall can be washed away, and dust Drainage Division 720 is set towards the outer lower portion of described pipe 700, thus is easy to the dust emission washed away also can prevent the inner space of pipe 700 from reducing to outside.

Described dust guides dividing wall 213 as making coal dust towards bottom, is communicated with described dust inflow entrance 211, maintains a determining deviation also downward vertically, and be set to provide upper and lower to be the dust guide space portion 212 blocking form with the inwall of control of dust shell 210.

Described water unit 220 guides the lower outside of dividing wall 213 to obtain through mode with control of dust shell 210 towards dust and arranges, thus can supply washing water by described upper water supply unit 400.

Described mixing nozzle 230 is set to dust and washing water and is blended in dust and guides dividing wall 213 and have the through form of the mode of the central authorities being injected into control of dust shell 210, and described dust guides dividing wall 213 to be positioned at the bottom in the dust guide space portion 212 formed by water unit 220.Above-mentioned described mixing nozzle 230 is set to have Venturi tube form, thus makes flow accelerate and can improve composite rate and arresting efficiency.

Described first eddy current forms dividing wall 240, bottom maintains a determining deviation in the waste side of mixing nozzle 230, upper end is set to guide the upper angled of dividing wall 213 towards dust, makes time of being detained in inside elongated and can more improve superfine dust and arresting efficiency.

The top that described second eddy current formation dividing wall 250 and the first eddy current form dividing wall 240 maintains a determining deviation, and a side end is combined in dust and guides dividing wall 213, and end side is set to have reclinate form, thus lengthens the holdup time.

Described air discharge ports 260 is arranged on the control of dust shell 210 being positioned at the upside forming dividing wall 250 towards the second eddy current, described mud discharging portion 270 is set to the funnel shape to the bottom of control of dust shell 210 with mud discharging valve 271, and described Drainage Division 280 is arranged on control of dust shell 210 accordingly with water unit 220.

At this, described air discharge ports 260 comprises recovery plate 261, filter house 262, delivery pipe 263 and discharge fan 264, described recovery plate 261 is inwards have downward inclination, thus the part of moisture residual in the process of filter house 262 can wander the inside to control of dust shell 210.

Described filter house 262 is arranged on and reclaims between plate 261 and the upper inner face of control of dust shell 210, and trapping fine solid particle is also only extremely outside by pure air venting.

Described delivery pipe 263 is arranged on the edge upper part of control of dust shell 210, arranges discharge fan 264 in the inside of delivery pipe 263.

Described Drainage Division 280 is set to, the secondary drainpipe 282 that diameter is little extends in the bottom lower portion of main drainpipe 281, the outside of the described secondary drainpipe 282 extended obtains the encirclement of draining shell 283, towards outside, flange 284 is set on the top of described draining shell 283 throughly, thus the micro mist be included in the washing water of spilling precipitation is only given off pure water.

Described upper water supply unit 400 is arranged between water collecting part 300 and wet type dust collecting part 200, make the sludge settling that the mud discharging portion 270 of the bottom by being arranged on control of dust shell 210 gives off, thus only the upper water of separation can be carried out supply circulation again as washing water.

Described water collecting part 300 comprises header tank 310, second movable pulley 320, second height and regulates ball 330 and water pump 340, second movable pulley 320 is arranged on the bottom of described header tank 310, make it possible to be easy to move to scene, while regulating ball 330 to maintain level according to the second height be arranged near described second movable pulley 320, can also prevent from moving in operation process.

Be provided with the water pump 410 of the upper water supply unit 400 of suction outlet at described header tank 310, thus in the inside coagulative precipitation of header tank 310, supply the pure water (upper water=washing water) of separation constantly, and then can curtail expenditure.

Described upper water supply unit 400, as being arranged on header tank 310, is arranged by the water pump 410 with suction outlet, thus as being separated to the washing water of upper water on header tank 310 top by being arranged on the water unit 220 of control of dust shell 210 and sustainable supply to inner.

Described Separation of Solid and Liquid portion 600 comprises bracing frame 610, the 3rd movable pulley 620, the low adjustment ball 630 of third high and solid-liquid press section 640,3rd movable pulley 620 is arranged on the bottom of support frame as described above 610, thus be easy to move to job position, third high low adjustment ball 630 is arranged near described 3rd movable pulley 620, thus can prevent from moving in operation process.

Arrange solid-liquid press section 640 on the top of support frame as described above 610, squeezing mud, preferably, makes moisture maintain more than certain limit.

Described solid-liquid press section 640 can have rotation type or press down some forms among type.

Remove for the mobile model wet dust collection device of Thermal Power Station the coal dust produced in the process of Coal dressing and coal supply as above to utilize, first, draw-gear is utilized to connect moving under on-the-spot state as the container 100 of mobile model wet dust collection device, water collecting part 300, upper water supply unit 400 and Separation of Solid and Liquid portion 600 respectively.

Afterwards, fine coal is through pipe 700 and dust inflow entrance 211 and the dust passing through to be formed to the inside of control of dust shell 210 guides dividing wall 213 to flow into dust guide space portion 212, and the dust of inflow continues lower portion and moves.Meanwhile, washing water with under the state of mix dust, is ejected by mixing nozzle 230 while being supplied to the bottom in dust guide space portion 212 by water unit 220.

Afterwards, the mixed liquor of the dust sprayed by mixing nozzle 230 and washing water mixing is formed in the process that dividing wall 240 and the second eddy current formed between dividing wall 250 by the first eddy current, along with the holdup time increases, and dust separation the lower portion that falls.

Afterwards, isolate the air of dust next in the process of filter house 262, after isolating residual dust, only pure air is disposed to outside by air discharge ports 260 according to the inhalation power of driving of discharge fan 264 and discharge force.Now, with dust separation while produce washing water according to reclaim plate 261 inclination and fall to the bottom of control of dust shell 210.

Afterwards, after the mud dropping down onto the bottom of the bottom as control of dust shell 210 moves to water collecting part 300 by the mud discharging valve 271 in mud discharging portion 270, be separated with water while cohesion, precipitation, the water be separated with mud is supplied as upper water by the water pump 410 of upper water supply unit 400, is circulated to the inside of control of dust shell 210.

Afterwards, the mud of the cohesion be separated with water in water collecting part 300 is supplied to Separation of Solid and Liquid portion 600 according to the transferred unit 500 being connected to extra not shown supply pump, thus according to the solid-liquid press section 640 in Separation of Solid and Liquid portion 600, thus only can obtain the pure mud as solids of dehydration.

In addition, a large amount of states comprising micro mist is there is in the washing water overflowed from the bottom of control of dust shell 210, thus by being connected in the process of secondary drainpipe 282 of main drainpipe 281, be disposed to the draining shell 283 being arranged at secondary drainpipe 282 outside, then, by being arranged on the flange 284 on draining shell 283 top, draining is extremely outside.

In addition, although form dividing wall 240 and the second eddy current and form dividing wall 250 by being arranged on the mixing nozzle 230 of control of dust shell 210 inside and the first eddy current and be set to one use in the utility model, but as shown in Figure 10, except described form, mixing nozzle 230 and the first eddy current form dividing wall 240 and repeatedly can arrange in the inner transverse of control of dust shell 210.In described situation, another mixing nozzle 230 adjacent with described mixing nozzle 230 preferably uprises highly gradually.Its time of being detained in control of dust shell 210 inside maintains relatively long, thus more can improve arresting efficiency while isolating superfine dust.

Afterwards, following detailed description is carried out for according to the coal dust dust collecting method of the preferably Thermal Power Station of the 3rd embodiment of the present utility model.

According to the coal dust dust collecting method of the present embodiment, first, move and the step S100 arranged as to wet type mobile device, by comprise be built-in with wet type dust collecting part 200 container 100, mobile model water collecting part 300, Separation of Solid and Liquid portion 600 wet type mobile device move to place that coal dust produces and after arranging, start wet type dust collecting part 200 and coal dust is sucked into inside (coal dust sucks step S200).Now, fine coal guides dividing wall 213 by the dust formed to the inside of control of dust shell 210 and flows into dust guide space portion 212, and the dust of inflow continues to move to bottom.

Afterwards, as coal dust trapping step S330, spray with the state washing water supplied water by water unit 220 being blended in the coal dust being sucked into wet type dust collecting part 200 inside, after being ejected by mixing nozzle 230 under the state of mixing, in the process of movement, trap coal dust.Now, guiding after step S310 by washing water supplying step S320 through coal dust and according to the water pump 410 of upper water supply unit 400, the washing water as upper water be supplied to water unit 220, described coal dust guides step S310 to be that coal dust is guided to by dust inflow entrance 211 and is provided in the dust guide space portion 212 that dust guides dividing wall 213 inside.Then, after injecting step S330, through direction switch process S340, then, realize mud and collect step S350, described injecting step S330 is after the coal dust of the bottom moving to dust guide space portion 212 mixes with washing water, the bottom that the first eddy current forms dividing wall 240 is injected into by mixing nozzle 230, to be the mixing water that sprays formed after dividing wall 240 moves to top along the first eddy current described direction switch process S340, obtain conversion direction while the second eddy current forms the guiding of dividing wall 250, it is in the process of injecting step S330 and direction switch process S340 that described mud collects step S350, the coal dust trapped according to centrifugal force falls downwards, thus be focused to mud discharging portion 270.

In addition, in coal dust trapping step, air except the coal dust of trapping after filter house 262, is easy to be disposed to outside by air venting step S360 according to the inhalation power of the driving force of discharge fan 264, and described air venting step S360 is disposed to outside by delivery pipe 263.Now, in described coal dust trapping step S300, the washing water being mixed with the mud on the top, mud discharging portion 270 being spilled over to control of dust shell 210 is through main drainpipe 281 and secondary drainpipe 282 and draining shell 283, thus be disposed in the process of flange 284, be precipitated to draining shell 283, thus can only give off pure washing water.

Afterwards, after by coal dust mud discharging step S400 the mud comprising the coal dust be focused to bottom control of dust shell 210 being supplied to mobile model water collecting part 300 by the mud discharging valve 271 in mud discharging portion 270, be supplied to the sludge coagulating of mobile model water collecting part 300 and precipitation and be separated into cohesion mud and upper water (coal dust sludge coagulating and settling step S500).

Afterwards, as upper water supplying step S600, the upper water realizing mobile model water collecting part 300 resupplies the coal dust the continued trapping to water unit 220 by the water pump 410 of upper water supply unit 400.Now, after the mud dropping down onto the bottom of the bottom as control of dust shell 210 moves to mobile model water collecting part 300 by the mud discharging valve 271 in mud discharging portion 270, be separated with water while cohesion, precipitation, the water be separated with mud, as the water pump of upper water by upper water supply unit 400, supplies, is circulated to the inside of control of dust shell 210.

Afterwards, as cohesion sludge dewatering step S700, the cohesion mud being deposited in the bottom of mobile model water collecting part 300 is squeezed by solid-liquid press section 640 after moving to Separation of Solid and Liquid portion 600 according to transferred unit 500, thus obtains the solid sludges that dewaters.Now, in mobile model water collecting part 300, the mud of the cohesion be separated with water is supplied to Separation of Solid and Liquid portion 600 according to the transferred unit 500 being connected to additionally not shown supply pump, can obtain the pure mud as solids dewatered thus according to the solid-liquid press section 640 in Separation of Solid and Liquid portion 600.

Label declaration

1: wet dust collection device of the present utility model

10: shell

20: dividing plate

21: upper plate

22: lower plate

30: air flows into chamber

31: air inlet

40: control of dust mud chamber

41: water storing unit

42: air chamber

43: feed water inlet

44: exhaust outlet

45: discharge outlet

45a: discharge line

46: pressure fan

47: airway

50: jet

51: spray tank

52: collection space

53: air-flow interference plate

60: impingement plate

70: reclaim plate

71: plate is reclaimed in bottom

72: plate is reclaimed on top

80: washing impeller

81: impeller

82: power transmission shaft

91: shell washings jet

92: discharge screw rod

93: screw rod

94: CD-ROM drive motor

95: drainage washings jet

96: stillpot

97: exhausting line

98: conversion valve

99: hopper

100: container

110: inner space portion

120: keeping body

121: gateway

200: wet type dust collecting part

210: control of dust shell

220: water unit

300: water collecting part

400: upper water supply unit

500: transferred unit

600: Separation of Solid and Liquid portion

Claims (19)

1. a wet dust collection device, is characterized in that, comprising:

Shell (10);

Dividing plate (20), it is split about the inner space of described shell (10);

Air flows into chamber (30), it is divided in the side of described shell (10) according to described dividing plate (20), and the air containing dust is flowed into by air inlet (31);

Control of dust mud chamber (40), it is divided in the opposite side of described shell (10) according to described dividing plate (20), and described control of dust mud chamber comprises: the water storing unit (41) of downside, it stores washing water with certain altitude, and is adsorbed on the dust precipitation of washing water; Air chamber (42), it is arranged at the upside of described water storing unit (41), and the air utilizing washing water to clean is passed through; Feed water inlet (43), it is to described water storing unit (41) supply washing water; Exhaust outlet (44), it is extremely outside by the air venting cleaned of described air chamber (42); And discharge outlet (45), the washing water of the dust mud containing described water storing unit (41) is disposed to outside by it;

Jet (50), it is arranged at described dividing plate (20), be injected into by the air of described air flows into chamber (30) in the washing water of described control of dust mud chamber (40), thus the adsorbing powder dust in air is in washing water;

Impingement plate (60), its position kept at a certain distance away in the front of described jet (50) is arranged at described control of dust mud chamber (40), the air ejected and washing water collide and form washing water drop, and the drop of air and washing water is guided to described air chamber (42);

Reclaim plate (70), it is arranged on the described air chamber (42) on the top of described impingement plate (60), and the drop of washing water is guided to the washing water of described water storing unit (41);

Washing impeller (80), the washing water of described water storing unit (41) stirs and washs the dust mud be attached in described shell (10) by it; And

Shell washings jet (91), it also washs the dust mud be attached in described shell (10) to described shell (10) interior jet cleaning water.

2. wet dust collection device according to claim 1, is characterized in that, also comprises:

Air-flow interference plate (53), it is arranged on described dividing plate (20) and interferes the air-flow by described jet (50), thus promotes the formation of sinuous flow.

3. wet dust collection device according to claim 1, is characterized in that, also comprises:

Discharge screw rod (92), the dust mud being deposited on described water storing unit (41) is pulverized and is disposed to described discharge outlet (45) by it.

4. wet dust collection device according to claim 1, is characterized in that, also comprises:

Drainage washings jet (95), washings are injected in described discharge outlet (45) and its downstream row waterline (45a) by it, thus washing precipitation is at the dust mud of described discharge outlet (45) and its downstream row waterline (45a).

5. according to the wet dust collection device among Claims 1-4 described in any one, it is characterized in that, also comprise:

Stillpot (96), it is arranged at described discharge outlet (45) downstream, and is settled out dust mud from the washing water of being discharged by described discharge outlet (45); And exhausting line (97), the washing water being separated in described stillpot (96) upper strata is supplied to described feed water inlet (43) by again.

6., according to the wet dust collection device among Claims 1-4 described in any one, it is characterized in that:

Described dividing plate (20) comprises upper plate (21) and lower plate (22);

Described jet (50) comprising: spray tank (51), it is arranged on the gap between the lower end of described upper plate (21) and the upper end of described lower plate (22), and the air of described air flows into chamber (30) is injected into described water storing unit (41); And collection space (52), described upper plate (21) and described lower plate (22) are bent setting in more narrower towards described spray tank (51) direction mode by it, and to described spray tank (51) collecting air.

7., according to the wet dust collection device among Claims 1-4 described in any one, it is characterized in that,

Described impingement plate (60), it is arranged with ' L ' oxbow immediately below described jet (50), the upside (61) of described impingement plate (60) is extended in long way to described air chamber (42), and the downside (62) of described impingement plate (60) is extended towards the below of described jet (50) to be immersed in the state in washing water.

8. according to the wet dust collection device among Claims 1-4 described in any one, it is characterized in that, also comprise:

Drainage Division (280), it is arranged on the side of described water storing unit (41), and due to dust, by adsorbing, water storage to the washing water of certain altitude overflows.

9. wet dust collection device according to claim 8, is characterized in that,

Described Drainage Division (280) comprising: main drainpipe (281); With

Secondary drainpipe (282), its bottom at described main drainpipe (281) and the little and lower portion of diameter extend; With

Draining shell (283), it is set to the outside surrounding described secondary drainpipe (282); And

Flange (284), it is set on the top of described draining shell (283) through towards outside.

10., for a mobile model wet dust collection device for Thermal Power Station, it is characterized in that, comprising:

Container (100), it has the keeping body (120) with gateway (121) while providing inner space portion (110); With

Wet type dust collecting part (200), it is arranged on the inside of described keeping body (120); With

Water collecting part (300), it is connected to the mud discharging portion (270) of described wet type dust collecting part (200) with pipe (P); With

Upper water supply unit (400), it is for connecting described water collecting part (300) and wet type dust collecting part (200); And

Separation of Solid and Liquid portion (600), it is connected to described water collecting part (300) by transferred unit (500);

In addition, the feature of described wet type dust collecting part (200) is, comprising: control of dust shell (210); With

Dust inflow entrance (211), it is arranged on a upper lateral part of described control of dust shell (210);

Dust guides dividing wall (213), it is communicated with described dust inflow entrance (211) and in the mode of inner sustain one determining deviation with control of dust shell (210) downward vertically, and provides upper and lower to be the dust guide space portion (212) of the form blocked; With

Water unit (220), it is arranged to guide the mode of the through control of dust shell (210) of lower outside of dividing wall (213) towards described dust; With

Mixing nozzle (230), it is blended in dust guiding dividing wall (213) with dust and washing water and is set to through form to the mode of the central injection of control of dust shell (210), and described dust guides dividing wall (213) to be positioned at the bottom in the dust guide space portion (212) being formed with described water unit (220); With

First eddy current forms dividing wall (240), and its bottom maintains a determining deviation in the waste side of described mixing nozzle (230), and upper end is arranged to guide the mode of the upper angled of dividing wall (213) towards dust;

Second eddy current forms dividing wall (250), and itself and described first eddy current form dividing wall (240) and maintain a determining deviation, and a side end is combined in dust and guides dividing wall (213), and another side is arranged with the form of decurvation; With

Air discharge ports (260), its upside forming dividing wall (250) towards described second eddy current is arranged at control of dust shell (210); With

Mud discharging portion (270), it is set to funnel shape, to have mud discharging valve (271) towards the direction, bottom of described control of dust shell (210); And

Drainage Division (280), its on described control of dust shell (210) to be provided with the region of described water unit (220) for benchmark, be arranged at opposition side, and be connected with described water collecting part (300) by pipe (P).

The 11. mobile model wet dust collection devices for Thermal Power Station according to claim 10, is characterized in that,

Described keeping body (120), in the bottom of bracing frame (130), the first movable pulley (140) is set, the surrounding of described first movable pulley (140) arranges the first height and regulates ball (150), and described first height regulates ball (150) to utilize screw shaft (153) adjustable plate (152) to be combined in the bottom regulating main body (151).

The 12. mobile model wet dust collection devices for Thermal Power Station according to claim 10, is characterized in that,

Described gateway (121), is made up of among push (D1), sliding door (D2) and Qianmen (D3) before keeping body (120) to maintain management.

The 13. mobile model wet dust collection devices for Thermal Power Station according to claim 10, is characterized in that,

Arrange nozzle (710) described dust inflow entrance (211) towards the upper inside of the pipe (700) be connected with dust inflow entrance (211), the outer lower portion towards described pipe (700) arranges dust Drainage Division (720).

The 14. mobile model wet dust collection devices for Thermal Power Station according to claim 10, is characterized in that,

Described mixing nozzle (230) is set to the form with Venturi tube.

The 15. mobile model wet dust collection devices for Thermal Power Station according to claim 10, is characterized in that,

Described mixing nozzle (230) and the first eddy current form dividing wall (240) and repeatedly arrange in the inner transverse of control of dust shell (210), and the height of another mixing nozzle (230) adjacent with described mixing nozzle (230) is for uprise gradually.

The 16. mobile model wet dust collection devices for Thermal Power Station according to claim 10, is characterized in that,

Described air discharge ports (260) comprising: reclaim plate (261), and it inwards and downward-sloping; With

Filter house (262), it is arranged between described recovery plate (261) and the upper inner face of control of dust shell (210); With

Delivery pipe (263), it is arranged on the edge upper part of described control of dust shell (210); And

Discharge fan (264), it is arranged on the inside of described delivery pipe (263).

The 17. mobile model wet dust collection devices for Thermal Power Station according to claim 10, is characterized in that,

Described Drainage Division (280) comprising: main drainpipe (281); With

Secondary drainpipe (282), its bottom at described main drainpipe (281) and diameter is little and extend downwards; With

Draining shell (283), it is set to the outside surrounding described secondary drainpipe (282); And

Flange (284), it is set on the top of described draining shell (283) through towards outside.

The 18. mobile model wet dust collection devices for Thermal Power Station according to claim 10, is characterized in that,

Described water collecting part (300) comprising: header tank (310); With

Second movable pulley (320), it is arranged on the bottom of described header tank (310); With

Second height regulates ball (330), and it is arranged in the mode near described second movable pulley (320).

The 19. mobile model wet dust collection devices for Thermal Power Station according to claim 10, is characterized in that,

Described Separation of Solid and Liquid portion (600) comprising: bracing frame (610); With

3rd movable pulley (620), it is arranged on the bottom of support frame as described above (610); With

The low adjustment ball (630) of third high, it is arranged in the mode near described 3rd movable pulley; With

Solid-liquid press section (640), it is arranged on the top of support frame as described above (610).